-9984

Appears in sequences

• Triangle of coefficients of Chebyshev polynomials T_n(x).at n=52A008310
• Expansion of e.g.f. log(sec(x) + tanh(x)).at n=8A013199
• Coefficients of Chebyshev polynomials of the first kind: triangle of coefficients in expansion of cos(n*x) in descending powers of cos(x).at n=52A028297
• Triangle of coefficients in expansion of sin(n*x) (or sin(n*x)/cos(x) if n is even) in ascending powers of sin(x).at n=45A028298
• Array of coefficients of P(n,x) = det (M(n,x)) where M(n,x) is the n X n matrix m(i,j)=x if i>j m(i,j)=1-x if i<=j.at n=62A079628
• Triangle of coefficients of Chebyshev polynomials T_{2n+1} (x).at n=24A084930
• Triangle read by rows: T satisfies the matrix products: C*T*C = T^-1 and T*C*T = C^-1, where C is Pascal's triangle.at n=58A118800
• Coefficient table for Chebyshev's U(2*n,x) polynomials in decreasing powers of (1-x^2).at n=24A127675
• A triangular sequence of coefficients of even plus odd Chebyshev polynomials, A053120: q(x,n) = T(x,2*n-1)+T(x,2*n).at n=57A137307
• Triangular array read by rows, from polynomial recursion for every other term of Chebyshev orthogonal polynomials of the second kind: U(x,n)=Sin((n+1)*ArcSin(x))/Sin(ArcSin(x)) As q(x,n)=-2*(-1+2*x^2)*q(x,n-1)-q(x,n-1).at n=42A137335
• Coefficient array for integer polynomial version of minimal polynomials of sin(2*Pi/n). Rising powers of x.at n=58A181871
• Irregular triangle read by rows: Coefficients of Schick's polynomials P(n, y^2), for n >= 1.at n=12A327923
• E.g.f.: 1 / (1 - x - log(1 - x)).at n=9A338448